[FFmpeg-cvslog] avcodec/wmalosslessdec: fix mclms_coeffs* array size
Michael Niedermayer
git at videolan.org
Sun Feb 23 17:46:53 CET 2014
ffmpeg | branch: release/2.1 | Michael Niedermayer <michaelni at gmx.at> | Fri Feb 7 15:07:23 2014 +0100| [f91ef98c9d740d6c1410d5cf206bda80c2416808] | committer: Michael Niedermayer
avcodec/wmalosslessdec: fix mclms_coeffs* array size
Fixes corruption of context
Fixes: 8835659dde6a4f7dcdf341de6a45c6c8-signal_sigsegv_1dce67b_4564_cov_2504444599_classical_22_16_1_14000_v3c_0_extend_0_29.wma
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
(cherry picked from commit ec9578d54d09b64bf112c2bf7a34b1ef3b93dbd3)
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f91ef98c9d740d6c1410d5cf206bda80c2416808
---
libavcodec/wmalosslessdec.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavcodec/wmalosslessdec.c b/libavcodec/wmalosslessdec.c
index 86ca588..29982bc 100644
--- a/libavcodec/wmalosslessdec.c
+++ b/libavcodec/wmalosslessdec.c
@@ -127,8 +127,8 @@ typedef struct WmallDecodeCtx {
int8_t mclms_order;
int8_t mclms_scaling;
- int16_t mclms_coeffs[128];
- int16_t mclms_coeffs_cur[4];
+ int16_t mclms_coeffs[WMALL_MAX_CHANNELS * WMALL_MAX_CHANNELS * 32];
+ int16_t mclms_coeffs_cur[WMALL_MAX_CHANNELS * WMALL_MAX_CHANNELS];
int16_t mclms_prevvalues[WMALL_MAX_CHANNELS * 2 * 32];
int16_t mclms_updates[WMALL_MAX_CHANNELS * 2 * 32];
int mclms_recent;
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